<template>
  <div class="label-wrapper">
    <div class="list-box">
      <div class="label-box" v-for="(item,index) in labelList" :key="index" v-if="isStore">
        <div class="title" v-if="item.children && item.children.length">{{item.label_name}}</div>
        <div class="list" v-if="item.children && item.children.length">
          <div class="label-item" :class="{on:label.disabled}" v-for="(label,j) in item.children" :key="j" @click="selectLabel(label)">{{ label.label_name }}</div>
        </div>
      </div>
      <div v-if="!isStore">暂无标签</div>
    </div>
    <div class="footer">
      <Button type="primary" class="btns" @click="subBtn">确定</Button>
      <Button type="primary" class="btns" ghost @click="cancel">取消</Button>
    </div>
  </div>
</template>

<script>
import { productStoreLabel } from '@/api/product';
export default {
  name: 'storeLabelList',
  props: {
  },
  data() {
    return {
      labelList: [],
      dataLabel: [],
      isStore: false
    };
  },
  mounted() {
  },
  methods: {
    inArray: function(search, array) {
      for (const i in array) {
        if (array[i].id === search) {
          return true;
        }
      }
      return false;
    },
    // 用户标签
    storeLabel(data) {
      this.dataLabel = data;
      productStoreLabel().then((res) => {
        res.data.map(el => {
          if (el.children && el.children.length) {
            this.isStore = true;
            el.children.map(label => {
              if (this.inArray(label.id, this.dataLabel)) {
                label.disabled = true;
              } else {
                label.disabled = false;
              }
            });
          }
        });
        this.labelList = res.data;
      }).catch((res) => {
        this.$Message.error(res.msg);
      });
    },
    selectLabel(label) {
      if (label.disabled) {
        const index = this.dataLabel.indexOf(this.dataLabel.filter(d => d.id === label.id)[0]);
        this.dataLabel.splice(index, 1);
        label.disabled = false;
      } else {
        this.dataLabel.push({ 'label_name': label.label_name, 'id': label.id });
        label.disabled = true;
      }
    },
    // 确定
    subBtn() {
      this.$emit('activeData', JSON.parse(JSON.stringify(this.dataLabel)));
    },
    cancel() {
      this.$emit('close');
    }
  }
};
</script>

<style lang="stylus" scoped>
.label-wrapper
    .list
        display flex
        flex-wrap wrap
        .label-item
            margin 10px 8px 10px 0
            padding: 3px 8px;
            background #EEEEEE
            color #333333
            border-radius 2px
            cursor pointer
            font-size 12px
            &.on
                color #fff
                background #1890FF
    .footer
        display flex
        justify-content flex-end
        margin-top 40px
        button
            margin-left 10px
.btn
    width 60px
    height 24px
.title
    font-size 13px
.list-box
		overflow-y auto
		overflow-x hidden
		max-height 240px
		&::-webkit-scrollbar {
		  width: 0;
		}
</style>
